#define MAX_MD_SIZE			(16+20) /* The SSLv3 md5+sha1 type */
#define DER			    1 //FORMAT_ASN1
#define PEM			    3	/*定義格式*/
#define P12				5

typedef void (* PDrawProg)(int pos);

/*對稱算法*/
bool Crypt(char * cpname/*算法名稱*/,char * filein/*輸入文件*/, char * fileout/*輸出文件*/,
		   char * pwd/*用于初始iv的密碼*/, int type/*1-加密、0-解密*/,char * outMsg,
		   PDrawProg DrawProg=NULL);

/*消息摘要*/
bool Digest(char * mdname/*摘要算法*/,char * filein/*輸入文件*/,unsigned char * md_value/*返回摘要*/,
			unsigned int * md_len/*摘要長度*/, char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);

/*數字簽名*/
bool Sign(char * key/*私鑰*/,int keylen/*0-內存內容*/,char * mdname/*簽名算法*/,
		  char * filein/*輸入文件*/,char * fileout/*輸出文件*/,char * outMsg,
		  PDrawProg DrawProg=NULL/*回調函數*/);

/*數字簽名驗證*/
bool VerifySign(char * cert/*公鑰*/,int certlen,char * mdname/*簽名算法*/,char * filesource,/*原始文件*/ 
				char * filesign/*簽名結果*/,char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);

/*數字信封*/
bool Seal(char * cert/*公鑰*/,int certlen,char * cpname/*算法名稱*/,char * filein/*輸入文件*/, 
		  char * fileout/*輸出文件*/,char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);

/*拆封數字信封*/
bool OpenSeal(char * key/*私鑰*/,int keylen,char * cpname/*算法名稱*/,char * filein/*輸入文件*/, 
		  char * fileout/*輸出文件*/,char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);

//公鑰加密
bool RSAEnc(char * cert/*公鑰*/,int certlen,char * filein/*輸入文件*/, 
		  char * fileout/*輸出文件*/,char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);

//私鑰解密
int RSADec(char * key,int keylen,char * filein/*輸入文件*/, 
		  char * fileout/*輸出文件*/,char * outMsg,PDrawProg DrawProg=NULL/*回調函數*/);